Most diesel truck owners understand how to put diesel exhaust fluid (DEF) in their trucks. However, some make the mistake of getting DEF in their fuel tank instead of the dedicated DEF tank. As the ...

Following Monday’s right-to-repair announcement, EPA is demanding DEF failure data from engine makers, targeting shutdowns ...

Add Yahoo as a preferred source to see more of our stories on Google. (Photo/Ram) Just two weeks ago, the head of the Environmental Protection Agency (EPA) made an extraordinary announcement: ...

Removing an emissions device, while no longer a criminal matter, still represents risk for haulers. One responded to EPA and DOJ's recent moves on DEF faults and diesel derates, even questioning ...

Keep Diesel Emissions Systems Crystal-Free New Rislone Diesel DEF Treatment Super Concentrate stabilizes and improves diesel exhaust fluid (DEF) to prevent crystallization and enhance selective ...

Long-haul truckers and diesel engine enthusiasts had to rethink their entire operations in 2010 when the Environmental Protection Agency mandated selective catalytic reduction technology. Selective ...

Diesel engines are known for several things. Power and torque are the biggest attractions, but there is another attribute that drivers like. They can rack up a lot of mileage without needing major ...

Diesel exhaust fluid or DEF is a critical ingredient for making selective catalytic reduction (SCR) work. It's a clear fluid with a very slight yellowish tinge to it and smells faintly of ammonia; yet ...

Diesel fuel prices dipped again this week, while the opposite occurred for gasoline, according to data tracked by the Energy Information Administration (EIA). By contrast, prices for diesel exhaust ...